package sohu.com;
public class Triangle {
    double sideA,sideB,sideC;
    public double getArea() {
      double p = (sideA+sideB+sideC)/2.0;
      double area = Math.sqrt(p*(p-sideA)*(p-sideB)*(p-sideC));
      return area;
    }
    public void setSides(double a,double b,double c) {
      sideA = a;
      sideB = b;
      sideC = c;
    }
}
